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Motherboard or CPU Dead?

post #1 of 16
Thread Starter 
Hi all,

Last night I had been using my computer as any normal day for the last year and a half since I built it. No problems whatsoever. Today I wake up, switch it on and it would only stay on for a second before switching off automatically. I unplugged the PSU for a few minutes, plugged it back in and this time it would start but it wouldn't boot at all (no POST).

The QLED code displayed is 00 and the CPU LED behind the 24-pin power connector is on solid red. Nothing comes out of the speaker plugged into the motherboard. I have disconnected all SATA devices, removed the graphics card and sound card and removed all four RAM sticks. The computer is now just the CPU, the CPU cooler and the motherboard (with the PSU of course).

Nothing I do appears to fix this. I have tried resetting the BIOS and even flashing it to the latest version via the dedicated ROG Connect button as per the motherboard manual. Switching BIOS to BIOS 2 doesn't fix it either.

I think it may be time to RMA something, but I'm not 100% sure if to RMA the motherboard or the CPU. It's either one for sure. Past experience tells me the CPU is the culprit because NOTHING is processed and the lack of RAM doesn't make the motherboard complain. What do you think?

My motherboard is the original Rampage V Extreme and I had been running BIOS version 3101 for a few weeks now without a hitch. My CPU is an Intel Core i7-5820K. Thank you in advance!
    
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post #2 of 16
What ambient temps have you been running it under ?
post #3 of 16
Thread Starter 
The room is at about 26°C. Idle temperature of the CPU is around 34°C with temperatures under load around 70°C. Has worked perfectly for the year and a half I have owned it.

Do you think it's a CPU problem and therefore I need to RMA the CPU?
    
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post #4 of 16
Had that happen to a bad Z170A Gaming M5 board. It was suffering from bent pins.

Maybe try re-seating it?

Edit: If that doesn't fix well then Intel is getting an RMA.
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post #5 of 16
Thread Starter 
Thanks for the replies. I have indeed tried re-seating the CPU (very carefully). When I took the CPU off, I photographed the socket pins and they look ok. Really no reason why they should bend just last night, after a year and a half without touching it! tongue.gif

I think an RMA with Intel may be in order, yeah. Should I receive a report of the CPU actually being ok, or get a new one and still not working, then Asus will get an RMA request too. I just didn't fancy waiting for one RMA before having to request another.

It seems to me that if you remove the RAM and the motherboard doesn't even complain, then the CPU is dead. At least that has been my past experience. The issue is these motherboards are getting increasingly advanced in their diagnostics and one wonders whether things have changed in that area the last several years.
    
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Samsung 840 500GB SSD (SATA-6Gbps) Western Digital Black 1TB 64MB Cache HDD (SATA-... Western Digital Black 4TB 64MB Cache HDD (SATA-... NZXT Kraken X52 & 2x Corsair SP120 RGB 120mm Fa... 
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post #6 of 16
Could you try the heat gun over the RAM slots and try to heat the area a bit. Asus boards (mine X79 / X99) have a weird cold bug where in if the system in run in a closed environment with Air conditioning being turned on and off, it messes up the system. I'm not sure as this is just a hunch.
post #7 of 16
Thread Starter 
I don't really have air conditioning here at all and the temperature in Gibraltar is pretty stable throughout the day so it can't be that.

I filed a support request with Asus and will probably send the motherboard in for RMA. I'm also trying to file an RMA request with Intel but their "Intel Customer Support Service Request Management" system is unavailable at the moment, apparently. An error page comes up saying they're working to resolve the issue. This has been like this a whole day now and it's delaying my RMA process! frown.gif
    
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Samsung 840 500GB SSD (SATA-6Gbps) Western Digital Black 1TB 64MB Cache HDD (SATA-... Western Digital Black 4TB 64MB Cache HDD (SATA-... NZXT Kraken X52 & 2x Corsair SP120 RGB 120mm Fa... 
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Samsung 840 500GB SSD (SATA-6Gbps) Western Digital Black 1TB 64MB Cache HDD (SATA-... Western Digital Black 4TB 64MB Cache HDD (SATA-... NZXT Kraken X52 & 2x Corsair SP120 RGB 120mm Fa... 
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post #8 of 16
I had a 5820k die on an X99-A with the same error code 00. It shutdown one day while being rebooted and never worked again.
post #9 of 16
Thread Starter 
Quote:
Originally Posted by F4ze0ne View Post

I had a 5820k die on an X99-A with the same error code 00. It shutdown one day while being rebooted and never worked again.

Doesn't sound like the X99 platform is all that reliable, does it? I called Intel yesterday and they sorted out an RMA immediately for me. They're excellent - they pay for postage both ways and all via DHL. I sent off my CPU earlier today so hopefully I get a replacement back soon enough. I assume it was the CPU so my computer will be back up and running with a replacement CPU. If it was actually the motherboard, then I'll RMA that after I test with the new CPU.
    
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Samsung 840 500GB SSD (SATA-6Gbps) Western Digital Black 1TB 64MB Cache HDD (SATA-... Western Digital Black 4TB 64MB Cache HDD (SATA-... NZXT Kraken X52 & 2x Corsair SP120 RGB 120mm Fa... 
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post #10 of 16
Quote:
Originally Posted by Gib007 View Post

Hi all,
The computer is now just the CPU, the CPU cooler and the motherboard (with the PSU of course).

You should add your ram to POST. Even one stick should do it.


Edit, maybe I misread, but generally I re-seat the ram first when it seems the motherboard is failing to do anything..
Edited by accskyman - 7/5/16 at 5:48am
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